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评估含益生菌牛奶对唾液变形链球菌水平的影响。

Evaluating the effect of probiotic containing milk on salivary mutans streptococci levels.

作者信息

Juneja A, Kakade A

机构信息

Department of Pediatric and Preventive Dentistry, Jamia Millia Islamia, New Delhi, India.

出版信息

J Clin Pediatr Dent. 2012 Fall;37(1):9-14. doi: 10.17796/jcpd.37.1.tq91178m7w876644.

Abstract

PURPOSE

To evaluate the changes in mutans streptococci counts in saliva after short term probiotic intervention and its delayed effects on salivary mutans streptococci count.

METHODS

40 children in the age group of 12-15 years with medium to high caries activity were randomly divided into Group I Control (plain milk group) and Group II Experimental (probiotic supplemented milk group). Duration of the study was 9 weeks; which was evenly divided into three phases: baseline, intervention and post-treatment period; each phase consisting of three weeks. After baseline period of 3 weeks, children in group I were given plain milk and in group II milk containing probiotic Lactobacillus rhamnosus hct 70 for 3 weeks; followed by a 3 weeks follow up period. After every phase saliva samples were collected to estimate salivary mutans streptococci counts.

RESULTS

The difference in the post follow up mutans streptococci count of group I and group II, was highly significant with p value < 0.001. In the control group, the difference in the mean salivary baseline, post treatment and post follow up mutans streptococci counts was not statistically significant (p > 0.001). In the experimental probiotic group, the difference in mean salivary baseline, post treatment and post follow up mutans streptococci counts was statistically highly significant (p = 0.000, p < 0.001).

CONCLUSIONS

Statistically significant reduction in salivary mutans streptococci counts immediately after consumption of probiotic Lactobacillus rhamnosus hct 70 containing milk suggest a beneficial effect of probiotic Lactobacillus rhamnosus hct 70 in the prevention of dental caries.

摘要

目的

评估短期益生菌干预后唾液中变形链球菌数量的变化及其对唾液变形链球菌数量的延迟影响。

方法

将40名年龄在12至15岁、龋活性为中度至高的儿童随机分为第一组对照组(纯牛奶组)和第二组实验组(补充益生菌的牛奶组)。研究持续时间为9周,平均分为三个阶段:基线期、干预期和治疗后期,每个阶段为期3周。在3周的基线期后,第一组儿童饮用纯牛奶,第二组儿童饮用含有益生菌鼠李糖乳杆菌hct 70的牛奶,为期3周;随后是3周的随访期。在每个阶段结束后收集唾液样本,以估算唾液中变形链球菌的数量。

结果

第一组和第二组随访后变形链球菌数量的差异具有高度显著性,p值<0.001。在对照组中,唾液基线、治疗后和随访后变形链球菌平均数量的差异无统计学意义(p>0.001)。在实验性益生菌组中,唾液基线、治疗后和随访后变形链球菌平均数量的差异具有高度统计学意义(p = 0.000,p<0.001)。

结论

饮用含有益生菌鼠李糖乳杆菌hct 70的牛奶后,唾液中变形链球菌数量立即出现统计学上的显著减少,这表明益生菌鼠李糖乳杆菌hct 70在预防龋齿方面具有有益作用。

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